I ran into a self-declared "prepper" who, he was proud to say, is planting all his preps and believes in all sincerity that he will be able to trade for whatever else he needs after the Zombie Apocalypse. In fact, he reminded me of a distant memory of my past, The Fabulous Furry Freak Brothers' mantra:
What about food, water, firearms and ammunition I asked him? No, he didn't waste time and money on those, he confided to me conspiratorially, dope would get him all those things when he needed them. "Great plan," I laughed. "Great plan."